Sustained release forms of certain oxazepines for parenteral administration
CA 1062159 A · Owner: American Cyanamid Company · Inventors: Tedeschi, David H.; Krueger, James E.; Osterberg, Arnold C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sustained release depot form of the free base or pamoate salt of 2-chloro-11-(1-piperazinyl)-dibenzb,f1,4oxazepine or 2-chloro-11-(4-methyl-1-piperazinyl)-dibenzb,f- 1,4oxazepine in an injectable oil for parenteral administration.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted September 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.